occurring gene that effectively blocks the disease's progress. British scientists found that a gene they called CEM15 acted as a brake on Human Immuno-Virus?development but was itself blocked by a protein ……

I have one pill that blocks fat, one pill that blocks carbs (碳化物), and one pill that blocks the kitchen door. ……

拼一拼拼一拼Use 1 and 2 to make blocks (积木). Which blocks of 3,4,5,6 can you make?Use 1 and 2 to make blocks (积木). Which blocks of 3,4,5,6 can you make?   ……

找一找找一找All the blocks weigh the same except the yellow blocks. The yellow blocks weigh twice as much as the others. Which object is the heaviest? Which is the lightest?   All the blocks ……

awareness of the virus.  In April, even under the threat of halting (中止) funding to the WHO from... the virus together.“Because we were very alarmed by the geopolitical (地缘政治的) tensions between major ……

Bill's big brother is building a beautiful building between two big brick blocks. ……

谁最重，谁最轻？谁最重，谁最轻？All the blocks (积木) weigh the same except (除了) the green blocks. Each green block... the blocks (积木) weigh the same except (除了) the green blocks. Each green block weighs one half of any ……

only get infected (感染的) if the virus builds up in large amounts. Proper ventilation can stop the virus from building up.Open windows to let fresh air in during the day. Do it three times a day for 15 ……

the virus, according to the Center for Disease Control. “N95” means the mask blocks (阻挡... the virus, according to the Center for Disease Control. “N95” means the mask blocks (阻挡 ……

masks to make sure they won’t give the virus to others.    When you’re... to half an hour each time. The virus can infect you when it builds up to a certain amount ……

masks to make sure they won’t give the virus to others.Don’t go to crowded places... people should wear masks to make sure they won’t give the virus to others.When you’re ……

木头玩具This toy set has 72 wooden blocks (块). You can make animals with these blocks. You can make sharks. You can make crabs. You can also make your own animals. ……

VCG哈尔滨采冰节燃动松花江哈尔滨采冰节燃动松花江People cut ice blocks on the Songhuajiang River and make them into sculpturesPeople cut ice blocks on the Songhuajiang River and make them into sculptures ……

The logo for the 2012 London Olympics was unveiled (揭开面纱) last week. The four blocks combine (结合) to form the numbers 2012. ……

Mosquito repellents (驱蚊剂) don’t actually repel. They hide you. The spray blocks the mosquitos’ sensors so they don’t know you’re there. ……